Add time interval to DateTime with + in CSharp

using System;//from w w  w  .  java 2s  .c  o m
public class MainClass{
  public static void Main(String[] argv){  
    
            System.DateTime dTime = new System.DateTime(1980, 8, 5);

      System.TimeSpan tSpan = new System.TimeSpan(17, 4, 2, 1); 

      System.DateTime result = dTime + tSpan;

            System.Console.WriteLine(result);
  }
}